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2133525 = 35228447
BaseRepresentation
bin1000001000111000010101
311000101122110
420020320111
51021233100
6113421233
724064122
oct10107025
94011573
102133525
111227a49
1286a819
13599154
143d7749
152c2250
hex208e15

2133525 has 12 divisors (see below), whose sum is σ = 3527552. Its totient is φ = 1137840.

The previous prime is 2133487. The next prime is 2133533. The reversal of 2133525 is 5253312.

It is not a de Polignac number, because 2133525 - 217 = 2002453 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 24 + 1 + 37 + 311 + 52 + 210 + 59 .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14149 + ... + 14298.

22133525 is an apocalyptic number.

2133525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2133525 is a deficient number, since it is larger than the sum of its proper divisors (1394027).

2133525 is a wasteful number, since it uses less digits than its factorization.

2133525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460 (or 28455 counting only the distinct ones).

The product of its digits is 900, while the sum is 21.

The square root of 2133525 is about 1460.6590978048. The cubic root of 2133525 is about 128.7357730847.

Adding to 2133525 its reverse (5253312), we get a palindrome (7386837).

The spelling of 2133525 in words is "two million, one hundred thirty-three thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 28447 85341 142235 426705 711175 2133525